| 21 | ||
| Researcher: | P, Ayyappan | |
| Guide: | Antony, Usha | |
| University: | Anna University | |
| Language: | English | |
| Shodhganga | ||
| 22 | ||
| Researcher: | Ayyappan, K | |
| Guide: | Thiruvenkatasamy, K. | |
| University: | AMET University | |
| Language: | English | |
| Shodhganga | ||
| 23 | Social Network Mining for Learning Research Community Contribution Patterns | |
| Researcher: | AYYAPPAN, G | |
| Guide: | NALINI, C | |
| University: | Bharath University, Chennai | |
| Language: | English | |
| Shodhganga | ||
| 24 | Bioactive xylooligosaccharides from corncob enzymatic production and applications | |
| Researcher: | Aachary, Ayyappan Appukuttan | |
| Guide: | Prapulla, S. G. | |
| University: | University of Mysore | |
| Language: | English | |
| Shodhganga | ||